171471061 has 32 divisors (see below), whose sum is σ = 195924960. Its totient is φ = 149299200.

The previous prime is 171471037. The next prime is 171471089. The reversal of 171471061 is 160174171.

It can be written as a sum of positive squares in 16 ways, for example, as 39450961 + 132020100 = 6281^2 + 11490^2 .

It is a 7-Lehmer number, since φ(171471061) divides (171471061-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 171471061 - 2¹⁹ = 170946773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171471011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1573075 + ... + 1573183.

It is an arithmetic number, because the mean of its divisors is an integer number (6122655).

Almost surely, 2^171471061 is an apocalyptic number.

It is an amenable number.

171471061 is a deficient number, since it is larger than the sum of its proper divisors (24453899).

171471061 is a wasteful number, since it uses less digits than its factorization.

171471061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265.

The product of its (nonzero) digits is 1176, while the sum is 28.

The square root of 171471061 is about 13094.6959109404. The cubic root of 171471061 is about 555.5591162275.

The spelling of 171471061 in words is "one hundred seventy-one million, four hundred seventy-one thousand, sixty-one".